.about {
    margin-top: 70px;
    margin-left: 66px;
    transition: 0.3s;
    background-color: #f0f0f0;
    padding: 20px 15px 3px;
}

.margin-left {
    margin-left: 200px;
    transition: 0.43s;
}

.flex {
    display: flex;
}

.bottom {
    font-size: 12px;
    padding-top: 8px;
    justify-content: space-between;
    align-items: center;
    margin-top: 2px;
    margin-right: 6px;


}

.qdl {
    color: #72afd2;

}

.content-container {
    box-sizing: border-box;
    /* padding: 10px; */
    width: 100%;
    height: 87vh;
    background-color: #fff;
    overflow-y: auto;
    padding-left: 10px;
}

.btn {
    width: 56px;
    height: 32px;
    text-align: center;
padding: 0;
}
